Question

The ratio of boys to girls is 4:5 calculate the number of boys if there are 1080 learners

Answer 1

480 Boy

Explanation:

The ratio of Boys = 4x

The ratio of Girls = 5x

The Number of Boys in the School = 4x + 5x = 1080

= 9x = 1080

= x = 1080/9

= x = 120

The ratio of Boys = 4x = 4 x 120 = 480

The ratio of Girls = 5x = 5 x 120 = 600

Hence, Number of Boys = 480

Ratio Boys to Girls = 480:600

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